The old navigation system LORAN is being brought back in a (mostly) big way. The Department of Homeland Security plans to revamp the old aerial and sea radio navigation system in case GPS goes out. The fear of losing GPS is a real one in our time. Everything from urban jungle, to solar storms, to countries taking out GPS satellites (cough People's Republic of China) could cause outages.
LORAN has its roots in World War II and it is always something to see old technology back up new.
1 comment:
You can add one other threat to GPS satellites. Last week there was an article saying North Korea was trying to sell GPS signal-blocking devices to countries in the Middle East.
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